发明名称 |
Video decoding with error detection and concealment |
摘要 |
A system and method of decoding input video information is disclosed which includes performing error detection for each video block of a frame, determining whether a scene change occurs for the frame, and when an error is detected in a video block, performing spatial concealment by concealing error of the erroneous video block using neighboring video information within the frame when the erroneous video block is intraframe encoded or when a scene change is detected for the frame, or performing temporal concealment by replacing the erroneous video block with a reference video block from a reference frame when the erroneous video block is interframe encoded and when a scene change is not detected for the frame. The method may further include detecting false frames based on comparing current and new frame number and picture order count values of a new slice. |
申请公布号 |
US8743970(B2) |
申请公布日期 |
2014.06.03 |
申请号 |
US20090422684 |
申请日期 |
2009.04.13 |
申请人 |
Freescale Semiconductor, Inc. |
发明人 |
He Zhongli;Li Xianzhong |
分类号 |
H04N7/12;H04N11/02 |
主分类号 |
H04N7/12 |
代理机构 |
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代理人 |
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主权项 |
1. A method of decoding input video information, comprising:
performing error detection for each video block of a frame; determining whether a scene change occurs for the frame; tracking a relative amount of interframe mode video blocks for the frame; determining error concealment for the frame on a block-by-block basis, comprising:
when an error is detected in a video block of the frame, determining spatial concealment of the erroneous video block when the erroneous video block is intraframe encoded, or when a scene change is detected for the frame and the relative amount of interframe mode video blocks does not achieve a first predetermined threshold, and otherwise determining temporal concealment of the erroneous video block; andenabling spatial concealment and temporal concealment to be determined within the same frame.
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地址 |
Austin TX US |